CONFIG_VMSPLIT_2_75G is not available for thedefaultarchitecture x86.
Result is shown for architecture tile
default or selected kernelversion does not have config value CONFIG_VMSPLIT_2_75G.
Result is shown for kernelversion 6.7-rc3

2.75G/1.25G user/kernel split (for full 1G low memory)

configname: CONFIG_VMSPLIT_2_75G

Memory split
└─>2.75G/1.25G user/kernel split (for full 1G low memory)
In linux kernel since version 2.6.39 (release Date: 2011-05-18)